Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Chevrolet Avalanche 2500FACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Remove the caps from the fuel feed and EVAP lines.
- Install and connect the rear fuel feed line (2) to the module and retaining clips. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
- Install and connect the fuel feed (4) line to the module and retaining clips. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
- Install the fuel tank. Refer to Fuel Tank Replacement (Front Tank) or Fuel Tank Replacement (Rear Tank) .
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.